TCP/UDP Port Finder

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Database updated - March 30, 2016

Search results for "e"

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Port: 309/UDP
309/UDP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • entrusttime
    EntrustTime
    IANA
  • entrusttime
    -
    SANS
Port: 319/TCP
319/TCP - Known port assignments (1 record found)
  • Service
    Details
    Source
  • ptp-event
    PTP Event
    IANA
Port: 319/UDP
319/UDP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • ptp-event
    PTP Event
    IANA
  •  
    Precision time protocol event messages (Official)
    WIKI
Port: 376/TCP
376/TCP - Known port assignments (1 record found)
  • Service
    Details
    Source
  • nip
    Amiga Envoy Network Inquiry Proto
    IANA
Port: 376/UDP
376/UDP - Known port assignments (1 record found)
  • Service
    Details
    Source
  • nip
    Amiga Envoy Network Inquiry Proto
    IANA
Port: 379/TCP
379/TCP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • is99c
    TIA/EIA/IS-99 modem client
    IANA
  • is99c
    TIA EIA IS-99 modem client
    SANS
Port: 379/UDP
379/UDP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • is99c
    TIA/EIA/IS-99 modem client
    IANA
  • is99c
    TIA EIA IS-99 modem client
    SANS
Port: 380/TCP
380/TCP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • is99s
    TIA/EIA/IS-99 modem server
    IANA
  • is99s
    TIA EIA IS-99 modem server
    SANS
Port: 380/UDP
380/UDP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • is99s
    TIA/EIA/IS-99 modem server
    IANA
  • is99s
    TIA EIA IS-99 modem server
    SANS
Port: 394/TCP
394/TCP - Known port assignments (1 record found)
  • Service
    Details
    Source
  • embl-ndt
    EMBL Nucleic Data Transfer
    IANA
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About TCP/UDP ports

TCP port 309 uses the Transmission Control Protocol. TCP is one of the main protocols in TCP/IP networks. TCP is a connection-oriented protocol, it requires handshaking to set up end-to-end communications. Only when a connection is set up user's data can be sent bi-directionally over the connection.
Attention! TCP guarantees delivery of data packets on port 309 in the same order in which they were sent. Guaranteed communication over TCP port 309 is the main difference between TCP and UDP. UDP port 309 would not have guaranteed communication as TCP.
UDP on port 309 provides an unreliable service and datagrams may arrive duplicated, out of order, or missing without notice. UDP on port 309 thinks that error checking and correction is not necessary or performed in the application, avoiding the overhead of such processing at the network interface level.
UDP (User Datagram Protocol) is a minimal message-oriented Transport Layer protocol (protocol is documented in IETF RFC 768).
Application examples that often use UDP: voice over IP (VoIP), streaming media and real-time multiplayer games. Many web applications use UDP, e.g. the Domain Name System (DNS), the Routing Information Protocol (RIP), the Dynamic Host Configuration Protocol (DHCP), the Simple Network Management Protocol (SNMP).
TCP vs UDP - TCP: reliable, ordered, heavyweight, streaming; UDP - unreliable, not ordered, lightweight, datagrams.
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